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nekit [7.7K]
3 years ago
13

What is the correct answer for3(x-1) -8=4(1+x)+5

Mathematics
1 answer:
evablogger [386]3 years ago
7 0

First to figure out the problem you need to distribute the 3 and the 4. You get, 3x-3-8=4+4x+5. Now you need to combine the coefficients. After doing this you will have 3x-11=9+4x. Now to get x by itself you need to subtract 3x from both sides. You will have -11=9+x. Then you subtract 9 from both sides and you end up with x=-20

3(x-1)-8=4(1+x)+5

3x-3-8= 4+4x+5

3x-11=9+4x

-3x        -3x

-11=9+x

-9   -9

-20=x

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